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Treatment method for enhancing temperature resistance and wear resistance of chain plate

A treatment method and wear resistance technology, applied in the field of transmission chains, can solve the problems of chain plate and pin shaft wear, failure to meet user life requirements, pin pitting, etc., to eliminate stress, enhance structural quality and stability , enhance the effect of combining strength

Pending Publication Date: 2020-12-18
ANHUI JIXI HUISHAN CHAIN TRANSMISSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, according to engineering technical standards, domestic chains use medium-carbon steel as a whole for heat treatment, with a surface hardness of 34-39HRC; after the pin shaft is made of medium-carbon steel for overall heat treatment, the surface is high-frequency quenched, and the surface hardness reaches 55-60HRC, but the chain The chain plate and pin shaft of the chain are quickly worn seriously, and the unworn surface of the pin shaft has serious pitting corrosion, which is far from the life expectancy required by the user

Method used

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  • Treatment method for enhancing temperature resistance and wear resistance of chain plate

Examples

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Comparison scheme
Effect test

Embodiment 1

[0030] A treatment method for enhancing the temperature and wear resistance of chain plates, comprising the steps of:

[0031] (1) Cleaning treatment:

[0032] Immerse the chain plate in the acetone solution first, control the temperature of the acetone solution to 35°C, take it out after soaking for 25 minutes, and then rinse it with clean water for later use;

[0033] (2) Activation drying treatment:

[0034] Immerse the chain plates treated in step (1) in a sulfuric acid solution with a concentration of 80ml / L for activation treatment, take it out, rinse it with clean water, and then place it in an environment with a temperature of 85°C for drying treatment before use;

[0035] (3) Surface plating treatment:

[0036] Carry out electroplating treatment to the chain plate after step (2) treatment, the length of control electroplating treatment is 25min, after finishing it is taken out back for use; Used electroplating solution during electroplating treatment is made up of t...

Embodiment 2

[0046] A treatment method for enhancing the temperature and wear resistance of chain plates, comprising the steps of:

[0047] (1) Cleaning treatment:

[0048] Immerse the chain plate in the acetone solution first, control the temperature of the acetone solution to 38°C, take it out after soaking for 27 minutes, and then rinse it with clean water for later use;

[0049] (2) Activation drying treatment:

[0050] Immerse the chain plates treated in step (1) first in a sulfuric acid solution with a concentration of 82ml / L for activation treatment, take it out, rinse it with clean water, and then place it in an environment with a temperature of 88°C for drying treatment before use;

[0051] (3) Surface plating treatment:

[0052]Carry out electroplating treatment to the chain plate after step (2) treatment, the length of control electroplating treatment is 30min, after finishing it is taken out back for use; Used electroplating solution during electroplating treatment is made up...

Embodiment 3

[0062] A treatment method for enhancing the temperature and wear resistance of chain plates, comprising the steps of:

[0063] (1) Cleaning treatment:

[0064] Immerse the chain plate in the acetone solution first, control the temperature of the acetone solution to 40°C, take it out after soaking for 30 minutes, and then rinse it with clean water for later use;

[0065] (2) Activation drying treatment:

[0066] Immerse the chain plates treated in step (1) first in a sulfuric acid solution with a concentration of 85ml / L for activation treatment, take it out, rinse it once with clean water, and then place it in an environment with a temperature of 90°C for drying treatment before use;

[0067] (3) Surface plating treatment:

[0068] Carry out electroplating treatment to the chain plate after the step (2) process, control the duration of electroplating treatment to be 35min, take it out after completion and back up for later use; Used electroplating solution during electroplati...

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Abstract

The invention discloses a treatment method for enhancing temperature resistance and wear resistance of a chain plate, and belongs to the technical field of transmission chains. The treatment method comprises the following steps of (1) cleaning treatment; (2) activating and drying treatment; (3) surface electroplating treatment; (4) plasma treatment; and (5) heat preservation treatment. The methodis simple in overall process, reasonable in step matching and easy to apply and popularize, and the manufactured chain plate has good temperature resistance, corrosion resistance and wear resistance.

Description

technical field [0001] The invention belongs to the technical field of transmission chains, and in particular relates to a treatment method for enhancing the temperature and wear resistance of chain plates. Background technique [0002] A kind of chain is used on the shallow groove equipment of the ore and coal beneficiation production line. Its structure is a sleeve conveyor chain without rollers. When the chain is running, sliding friction occurs between the chain plate and the guide rail, between the pin shaft and the inner wall of the sleeve. Due to the existence of a large amount of ore abrasive grains, iron medium, carbide, water and other mixtures in the shallow groove of this equipment, these abrasives and corrosive media enter in large quantities between the chain plate and the guide rail, especially the pin shaft and the sleeve during the operation of the chain. Between them, the abrasive wear and pitting caused by the contact between the side of the chain plate an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D3/56C25D15/00C25D5/36C25D5/48C01B33/40
CPCC25D3/562C25D15/00C25D5/36C25D5/48C01B33/40
Inventor 叶志华方建国张炜张光华胡彬刘菊如
Owner ANHUI JIXI HUISHAN CHAIN TRANSMISSION
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